[01/22/07 - 12:20 PM]Sci-Fi Worlds Collide When "Battlestar Galactica's" Tricia Helfer Guest Stars on Supernatural She'll play a young woman who is being chased by an evil-looking farmer on the highway in the show's February 22 episode.

On a dark highway, Sam (Jared Padalecki) and Dean (Jensen Ackles) run into a young woman, Molly (Helfer), who is being chased by an evil-looking farmer on the highway. She and her husband had been driving when the farmer suddenly appeared in front of their car. They swerved to avoid hitting him, crashed into a tree and now her husband is missing. In their quest to find Molly's husband, the Winchester brothers confess to Molly that this farmer haunts the highway the same day every year to claim a new victim and unfortunately, he's set his sights on her.

Best known for her role as 'Number 6' on the critically acclaimed series "Battlestar Galactica," Helfer kicked off her career as the winner of the "Ford Supermodel of the World Contest." She moved to Los Angeles to pursue acting and quickly landed roles in television series such as "Jeremiah," "C.S.I." and "Behind the Camera: The Unauthorized Story of Charlie's Angels." Helfer's feature film credits include "Mem(o)re," "The Green Chain," "Spiral," "Ally" and "The Genius Club." Additionally, she hosted and produced "Canada's Next Top Model."

SUPERNATURAL is from Warner Bros. Television in association with Wonderland Sound and Vision, with executive producers McG ("Charlie's Angels," "The O.C."), writer/executive producer Eric Kripke ("Boogeyman"), Robert Singer ("Midnight Caller"), and John Shiban ("The X-Files").